OpenACS / openacs-4 / packages / xowf / lib

inclass-exam.wf

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Total Committers: 3
Last Commit: 21 Feb 20
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Sunday 21 Nov
9:26 pm

gustafn

added support for optionally turning off proctoring recodings

This options is useful e.g. for e.g. mock exams to avoid privacy issues.

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  2. … 10 more files in changeset.
Monday 15 Nov
6:02 pm

gustafn

Support for pool questions in the test-item family

Features:

- select random questions from some folder

(Currently siblings, i.e., folders of the same package instance)

- one exam can have multiple pool questions, potentially from other pools

- pools can be links to other folders (which are no siblings)

- The current folder can be used as well as a pool folder. In this

case, other not-used items can be selected as replacement items

given these match the specified filter characteristics

- Question filtering

* filter by item type:

allow one to select from all/some/some item types

(mc, sc, short text, reordering, composite, ...):

use as replacement items only examples of these types

* filter by minutes and/or points:

use as replacement items only items with matching points/minutes

* filter by language:

use as replacement items only items in a certain language

* Filter per item name pattern:

use as replacement items only items matching a name.

When (short-) names are used systematically, one can e.g.

use the date in the name and specify only items from e.g.

one year ago, via "*2020*", or from some chapter "*ch01", ...

Certainly, it is also possible to use different item

folders for this

Potential further steps:

- Currently, exams containing pool questions are treated as

auto-correctable (which implies automated exam-review (Einsicht), when

from the question pools only question from strictly closed questions

are selected (MC, SC, Ordering). Depending on the detailed settings,

also other item types could be possible (via correct-when), but this

requires a deeper analysis of every question, which is so far not

performed.

- Categorized items: technically, the infrastructure is mostly here to

allow also filtering by categories. This would allow one to select

e.g. from technical questions, case examples, knowledge transfer

questions, research-oriented questions... which are orthogonal to

the filtering currently available. Every lecturer can define

own categories depending on their needs, we could provide

university-wide category-trees, etc. Of course, one could also

define separate pools for these purposes, but categorizing is

probably more convenient and more flexible.

- Performance: when question pools become large (500+ questions) and

the cohorts as well (500+), the current version might require more

tuning. The only critical time is the exam-start, where the random

question placeholders have to be resolved for every student. The

approach from this weekend uses basic caching, but maybe this has to

be extended.

- Protecting selected questions: Question pools are more detached from

an exam than single exercises, a lecturer might have in mind. One

should not allow one to delete questions/question pools when these are

in use. Probably deletion should be a move to a trash-can, which is

actually, an issue for all exams, but getting more important with

pool questions.

- Handling of potential duplicates: When items are pulled from a

question pool, a replacement item is selected by making sure that

this item does not occur already in the query selection. Therefore,

one can safely draw two questions from the same question pool

without fearing that a student gets the same question twice.

This duplicate checking might require some fine-tuning:

* the system checks for duplicates in an exam via POOL/NAME.

* if a lecturer uses two pool-questions in an exam pointing to the same pool,

the systems makes sure, the same question is not used twice.

* however, if a teacher adds a question q1 to pool1 and the same question to pool2,

these two instances have different item ids and are regarded as two different

questions. One could make a test for only checking NAME (without POOL),

but then it might be the case that certain questions are not accepted

although these are different, because they have the same name.

- Statistics: so far, i have not provided any special answer

statistics for treating pool questions.

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Monday 04 Oct
10:34 am

gustafn

added line missing after refactoring

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10:05 am

gustafn

improve robustness for earlier created exams

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Saturday 02 Oct
11:25 am

gustafn

Make inclass-exam more foolproof

In case, the randomization is NOT suited for a real exam, do not allow

the user to publish this exam. In cases, where creating exams with

randomization=always are ok, pass "p.realexam=0" to the create

link (and call the entry maybe "training exam")

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Thursday 16 Sep
8:18 pm

gustafn

improved robustness by stronger HTML quoting

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Friday 27 Aug
8:33 pm

gustafn

minor styling improvements

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Tuesday 06 Jul
11:32 am

trenner

allow sorting of submissions via query parameter

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Monday 21 Jun
9:05 am

gustafn

avoid potential loss of submission data on "publish" operations

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Wednesday 09 Jun
8:39 am

gustafn

no need to ask answer_manager for package_id

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Tuesday 08 Jun
11:56 am

trenner

add missing variable which was deleted during the refactoring of the exam protocol

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Monday 07 Jun
9:16 am

trenner

add bulk-notification functionality to participants_table

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Sunday 30 May
8:52 pm

gustafn

strengthen parameter checking

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Wednesday 05 May
2:26 pm

gustafn

Refactored exam protocol renderers

The new code reduces the sinze of inclass-exam.wf significantly by

moving the exam protocol into test-item-procs.tcl. In the same step,

the largish function was split up, the rendering functions of

submissions are now named consistently, and there are now different

functions for rendering single items vs. many items, making the

single-item rendering reusable. Additionally, the answer manager is

documented in a more eye-friendly and modular way.

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Sunday 02 May
1:54 pm

gustafn

improve comments

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1:46 pm

gustafn

provide an analysis method for cleared input (callable for swas via method blank-inputs)

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1:06 pm

gustafn

provide means to show submissions of students per test item

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Saturday 24 Apr
9:31 pm

gustafn

added exam-overview

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Friday 23 Apr
11:26 pm

gustafn

make grading checke configurable via URL, make calculations more robust

CVS: ----------------------------------------------------------------------

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Tuesday 06 Apr
7:42 pm

gustafn

make actions changed from the background state-safe

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Saturday 03 Apr
7:25 pm

gustafn

fix regression test which was broken due to last change (move of links to answer panel)

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Thursday 01 Apr
7:24 pm

gustafn

moved answer status into answer_panel (similar to downstream),

made sensitivity of inspect links automatically updating (like downstream)

made templating easier and refactored code

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Wednesday 31 Mar
5:21 pm

antoniop

Plug the proctoring-display include to the inclass-exam via a web-callable method

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Friday 26 Mar
11:55 am

gustafn

reduce the max interval between screen captures from 60s to 30s during proctoring

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Monday 22 Mar
2:42 pm

gustafn

allow opening the exam-review also for exams, which are not autogradable

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Friday 05 Mar
9:51 am

gustafn

fix typo

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Monday 01 Mar
8:27 pm

gustafn

calculate total points based on points and not on minutes

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Tuesday 02 Feb
4:10 am

gustafn

allow action exam_review only when autocorrect is possible

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Monday 11 Jan
4:19 pm

trenner

use proper user_id

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Friday 08 Jan
12:56 pm

gustafn

provide export interface

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